Caria, A., Podda, E., Aragoni, C., Lai, R., Pintus, A., & Arca, M. (2024). Trans-Catena-Poly[[(Bis-(μ-N,N’-Bis[(Pyridin-3-yl)Methyl]Ethanediamide))-Diaqua-Cadmium(II)] Bis(Nitrate) Tetrahydrate)]. Preprints. https://doi.org/10.20944/preprints202406.0709.v1
Chicago/Turabian Style
Caria, A., Anna Pintus and Massimiliano Arca. 2024 "Trans-Catena-Poly[[(Bis-(μ-N,N’-Bis[(Pyridin-3-yl)Methyl]Ethanediamide))-Diaqua-Cadmium(II)] Bis(Nitrate) Tetrahydrate)]" Preprints. https://doi.org/10.20944/preprints202406.0709.v1
Abstract
The reaction between cadmium nitrate tetrahydrate and N,N'-bis(pyridin-3-ylmethyl)oxalamide (L) in 1:3 molar ratio in water/acetonitrile (1:6 v/v) mixture afforded single crystals of compound 1 suitable for X-ray diffraction analysis. Compound 1 consists of the coordination polymer (CP) [[Cd(L)2(H2O)2](NO3)2·4H2O]∞, in which CdII ions are bridged by the neutral L antiperiplanar N-ligands in a wavy ribbon fashion developing along the c-axis. Two trans-disposed water molecules complete the pseudo-octahedral coordination geometry of the metal ion. The crystal packing of 1 revealed the interplay between π-π stacking interactions and an intricate hydrogen-bonded network involving oxalamides, nitrates and water molecules. The donor properties of L and the intermolecular interactions in compound 1 are interpreted based on hybrid-DFT calculations.
Chemistry and Materials Science, Inorganic and Nuclear Chemistry
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